a. [ L. bis twice + foratus, p. p. of forare to bore or pierce. ] (Bot.) Having two perforations. [ 1913 Webster ]
n. [ From Boric. ] (Chem.) A salt formed by the combination of boric acid with a base or positive radical. [ 1913 Webster ]
adj. mixed or impregnated with borax. [ WordNet 1.5 ]